The Mechanistic Puzzle of Transition-Met
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Cristina Nieto-Oberhuber; Salomé López; Eloísa Jiménez-Núñez; Antonio M. Echavar
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Article
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2006
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John Wiley and Sons
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English
⚖ 611 KB
## Abstract Three pathways actually compete in metal‐catalyzed cyclizations of enynes in which the metal selectively activates the alkyne: an endocyclic process and two __exo__‐cyclizations, one proceeding by __anti__ attack of the alkene and a second one resulting in a __syn__ addition. Although c